1/2-20×2-1/2 Grade 8 Flange Bolts 1/2 x 20 x 2.5 Screws 1/2×20 x 2-1/2″
Flange Screws / Bolts. Flange Bolt Specs (H) Head Thickness: 1/2. NOTpreviously rejected for quality issues or rescued from a scrap yard. Thread: 20 (Fine Thread). Size: 1/2-20×2-1/2. (W) Hex / Wrench Size: 3/4.